From 96421876d7d77d7f7fb3449c515ca2ab12d891da Mon Sep 17 00:00:00 2001
From: Faith Ekstrand <faith.ekstrand@collabora.com>
Date: Mon, 17 Nov 2025 13:08:59 -0500
Subject: [PATCH] poly: Add helpers for filling out poly_vertex_params

Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Reviewed-by: Mary Guillemard <mary@mary.zone>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38404>
---
 src/poly/geometry.h | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/poly/geometry.h b/src/poly/geometry.h
index 63e47e2800a..003a7c164a6 100644
--- a/src/poly/geometry.h
+++ b/src/poly/geometry.h
@@ -203,6 +203,21 @@ struct poly_vertex_params {
 } PACKED;
 static_assert(sizeof(struct poly_vertex_params) == 10 * 4);
 
+static inline void
+poly_vertex_params_init(struct poly_vertex_params *p, uint64_t outputs)
+{
+   *p = (struct poly_vertex_params) {
+      .outputs = outputs,
+   };
+}
+
+static inline void
+poly_vertex_params_set_draw(struct poly_vertex_params *p,
+                            uint32_t vertex_count, uint32_t instance_count)
+{
+   p->verts_per_instance = vertex_count;
+}
+
 static inline uint
 poly_index_buffer_range_el(uint size_el, uint offset_el)
 {
@@ -605,7 +620,7 @@ poly_gs_setup_indirect(uint64_t index_buffer, constant uint *draw,
    uint vertex_count = draw[0];
    uint instance_count = draw[1];
 
-   vp->verts_per_instance = vertex_count;
+   poly_vertex_params_set_draw(vp, vertex_count, instance_count);
    poly_geometry_params_set_draw(p, prim, shape, max_indices,
                                  vertex_count, instance_count);